Comparison 21. tamoxifen vs methotrexate (combined with prostaglandin): high dose tamoxifen (160 mg).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 failure to achieve complete abortion	1	200	Risk Ratio (M‐H, Fixed, 95% CI)	1.96 [0.93, 4.15]
2 side effects	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
2.1 nausea	1	200	Risk Ratio (M‐H, Fixed, 95% CI)	0.78 [0.54, 1.10]
2.2 vomiting	1	200	Risk Ratio (M‐H, Fixed, 95% CI)	0.65 [0.28, 1.53]
2.3 diarrhoea	1	200	Risk Ratio (M‐H, Fixed, 95% CI)	1.23 [0.34, 4.43]